Table 1.

Means (M), standard deviations (s.d.) and correlations (for variables measured at the same time-point) for continuous indicators of solitude, including continuous quality indicators, across three time-points.

				same time-point correlations M T1–T3b
	T1 M (s.d.)	T2 M (s.d. )	T3 M (s.d.)	1	2	3	4	5	6	1	2	3	4
1. No. of waking hours alone	10.27 (5.34)	11.52 (5.54)	12.14 (5.25)		0.41**	−0.25**	−0.18**	0.13**	0.16**
2. Frequency of alone activities	5.36 (1.13)	5.23 (1.29)	5.28 (1.32)	0.36**		−0.14**	−0.09*	0.11**	0.06	0.29**
3. In-person interactions	4.04 (1.43)	2.78 (1.73)	2.16 (1.60)	−0.44**	−0.19**		0.15**	−0.26**	−0.15**	−0.23**	−0.17**
4. Virtual interactions	4.03 (1.18)	4.08 (1.21)	4.00 (1.70)	−0.19**	−0.06	0.33**		0.09*	0.13**	−0.16**	−0.05	0.12**
5. Endorsing isolating (no = 0; somewhat/yes = 1)	0.48 (0.50)	0.85 (0.36)	0.88 (0.32)	0.11**	0.04	−0.05	0.08*			0.11**	0.15**	−0.17**	0.04
6. % of time spent alone as deliberate self-isolationa	46.79% (30.95%)	71.11%	80.00% (0.27)	0.18**	0.02	−0.02	0.05			0.08*	0.04	−0.18**	0.13*

^aData are only available for those who answer yes or somewhat to endorsing isolating.

^bCorrelations between variables at Time 1 are presented in triangle on the left, those at Time 2 are presented in the triangle in the middle, and those at Time 3 are presented in triangle on the right.

*p < 0.05; **p < 0.001; based on sample sizes > 614.